Year % of GNI 1990 0.931013946626908 1991 1.20452538575606 1992 1.2475111705754 1993 1.74080892504609 1994 1.83204452775343 1995 1.85506772249592 1996 1.87547207035523 1997 1.99664711773848 1998 2.75662809251356 1999 2.61447393479395 2000 2.62464014815061 2001 2.7518653055505 2002 2.47424157444226 2003 2.33429413951733 2004 2.04291448622248 2005 1.63474251596464 2006 1.48778561418867 2007 1.19742213971867 2008 1.05495732202085 2009 1.33762458090585 2010 1.31852425325452 2011 1.09735612641481 2012 1.12565561582213 2013 1.17780072476386 2014 1.16292768713055 2015 1.61357331531576 2016 1.78240745018786 2017 1.42597565861884 2018 1.27321809078023 2019 1.38023007435226 2020 1.43666653399287 2021 1.26790291564046